Fatty acid monolayer dissociation and collapse: Effect of pH and cations

Surface pressure versus specific molecular area ( π– A) isotherms of stearic acid monolayers have been studied by varying the pH of the aqueous subphase containing monovalent (Na) or different divalent (Mg, Ca, Ba, Zn and Cd) cations. The lowering of the tilted to untilted phase transition pressure...

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Bibliographic Details
Published in:	Colloids and surfaces. A, Physicochemical and engineering aspects Vol. 325; no. 1; pp. 81 - 85
Main Authors:	Kundu, Sarathi, Langevin, Dominique
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier B.V 15-07-2008 Elsevier
Subjects:	Cations Chemistry Colloidal state and disperse state Exact sciences and technology Fatty acid General and physical chemistry Isotherms Langmuir monolayer Monolayer collapse Subphase pH Surface physical chemistry Subphase pH Monolayer collapse Cations Langmuir monolayer Isotherms Fatty acid Monolayer Monovalent cation Water drop Fatty acids Phase transitions Langmuir monolayer;Fatty acid;Monolayer collapse;Isotherms;Subphase pH;Cations Carboxylic acid Saturated fatty acid Pressure drop Isotherm pH Surface pressure Stearic acid Dissociation Surface area Divalent cation
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